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Finding the Fourth Proportional to 73,246.80, 109,918.80 and 41,656.80

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Solution

The fourth proportional to 73,246.80, 109,918.80 and 41,656.80 is: 62,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246.80 : 109,918.80 = 41,656.80 : x
  2. Step 2: Convert to fraction form
    73,246.80/109,918.80 = 41,656.80/x
  3. Step 3: Cross multiply
    73,246.80x = 109,918.80 × 41,656.80
  4. Step 4: Simplify right side
    73,246.80x = 4,578,865,467.84
  5. Step 5: Solve for x
    x = 4,578,865,467.84/73,246.80
  6. Step 6: Final answer
    x = 62,512.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.